CD127 expression inversely correlates with FoxP3 and suppressive function of human CD4+ T reg cells. - Liu,W.; Putnam,AL.; Xu-Yu,Z.; Szot,GL.; Lee,MR.; Zhu,S.; Gottlieb,PA.; Kapranov,P.; Gingeras,TR.; Fazekas de St Groth,B.; Clayberger,C.; Soper,DM.; et al. (J Exp Med, 2006)